Passed 37 to 0 in the Senate on March 25, 2014. See Who Voted "Yes" and Who Voted "No".To explicitly allow an officer providing security at a nuclear generating plant to use deadly force if he or she “honestly and reasonably believes (it) is necessary to prevent” a person from breaking in with the intent to inflict harm, engage in radiological sabotage or steal nuclear material. This would include immunity from lawsuits.